Remove unused code in workflow

This makes it a lot more readable I would say, but does not change the functionality. This part of the code would only trigger for the master branch anyway.

.github/workflows/build.yml

@@ -105,15 +105,6 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - name: Extract DOCKER_TAG using tag name
-      if: startsWith(github.ref, 'refs/tags/')
-      run: |
-        echo "DOCKER_TAG=${GITHUB_REF/refs\/tags\//}" >> $GITHUB_ENV
-    
-    - name: Use default DOCKER_TAG
-      if: startsWith(github.ref, 'refs/tags/') != true
-      run: |
-        echo "DOCKER_TAG=latest" >> $GITHUB_ENV
     - name: Set up QEMU
       uses: docker/setup-qemu-action@v3
 
@@ -130,9 +121,9 @@ jobs:
     - uses: docker/build-push-action@v5
       with:
         push: true
-        tags: ghcr.io/${{ github.repository }}:${{ env.DOCKER_TAG }}
+        tags: ghcr.io/${{ github.repository }}:latest
         build-args: |
-          BASE_DOCKER_IMAGE=ghcr.io/${{ github.repository_owner }}/pspsdk:${{ env.DOCKER_TAG }}
+          BASE_DOCKER_IMAGE=ghcr.io/${{ github.repository_owner }}/pspsdk:latest
     
     - name: Send Compile action
       run: |
@@ -144,4 +135,4 @@ jobs:
         repository: ${{ github.repository_owner }}/pspdev
         token: ${{ secrets.DISPATCH_TOKEN }}
         event-type: ${{ env.NEW_DISPATCH_ACTION }}
-        client-payload: '{"ref": "${{ github.ref }}"}'
+        client-payload: '{"ref": "refs/heads/master"}'